they are from ucla and harvard. >>> time now is 6:11. a salmonella scare and peanut recall is expanding. >>> plus a fireworks displays injures hundreds of spectators in china. ,,,,,,,,[ bonnie ] i felt, with sensitive teeth, i had limits put on me. when i went to my dentist, he had said, "we do have a solution for sensitive teeth. you're going to have to change out your toothpaste." i like the way my old toothpaste felt. it made my teeth feel really clean, and i didn't want to not have that again. my dentist suggested that i switch to sensodyne. when i went to sensodyne it was as if i was still using my old toothpaste, but it has an added benefit, which will help take away my sensitivity. it's a life changer, it really is. it makes you go from grumpy back to happy again. as you can see in the video. some of the shells ended up landing in the crowd and dred spectators >>> it's awesome and scary at the same time. you can see in china at this fireworks show, some of the shells listened in the crowd and exploded. there were minor injuries bu